PROBABILITY

2 POSITIVE REAL NO.S x & y satisfying x≤1 & y≤1 r chosen at random.The probability that

x+y≤1 , given that x2 + y2 ≥ 1/4 , is

a) (8-∩) / (16-∩)

b) (4-∩) / (16-∩)

c)(4-∩) / (8-∩)

d) None

6 Answers

62
Lokesh Verma ·

Uttara think of this one by graph..

area of the part such that x2+y2<4 = π(1/2)2

Area of the part such that x<1, y<1 and x, y are both positive is 1

Now sketch the graph of x+y=1

and find the conditional probability

If you cant. i will finish this one for you.

21
eragon24 _Retired ·

62
Lokesh Verma ·

Awesome work deepak :)

21
eragon24 _Retired ·

thanku sir ji [1]

4
UTTARA ·

Thanks Nishant Sir & Deepak :)

4
UTTARA ·

Fine I din't read the qs properly :(

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